Huge New York rehearsal for next terror strike

Hundreds of firefighters and police swarmed Ground Zero Sunday, the site where the World Trade Center once stood, in the largest security exercise here since the September 11, 2001 attacks.

As part of an elaborate dress rehearsal for a possible future terror strike, rescue workers exploded simulated bombs in a commuter train tunnel linking Manhattan to neighboring New Jersey, burrowed beneath the Hudson River. ....